Printing your own spare parts instead of throwing things away - 3D printing is sustainable. However, weapons can also easily be made at home - a dangerous aspect of 3D printing. Do the benefits outweigh the risks?
Artificial intelligence is expected to transform our society in numerous ways. Some artists are also using it to better highlight the global impacts of climate change.
Thousands of kids have walked out of class for a global day of climate action. DW spoke to young people from around the world taking part in the Fridays for Future marches about their hopes and fears.
Building a completely solar-powered town is a challenge, even in very sunny Florida. And not just for technical reasons. Getting average buyers to go green sometimes means having to compromise.
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